Home / 648,640.10-972,499.35-293,824.10

Finding the Fourth Proportional to 648,640.10, 972,499.35 and 293,824.10

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Solution

The fourth proportional to 648,640.10, 972,499.35 and 293,824.10 is: 440,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,640.10 : 972,499.35 = 293,824.10 : x
  2. Step 2: Convert to fraction form
    648,640.10/972,499.35 = 293,824.10/x
  3. Step 3: Cross multiply
    648,640.10x = 972,499.35 × 293,824.10
  4. Step 4: Simplify right side
    648,640.10x = 285,743,746,264.34
  5. Step 5: Solve for x
    x = 285,743,746,264.34/648,640.10
  6. Step 6: Final answer
    x = 440,527.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.